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Special senses > Special Senses (additional Mcq's 1) > Flashcards

Special Senses (additional Mcq's 1) Flashcards

1
Q

The special senses are

The senses that use a complex system of modified receptors and organs

The senses that use simple sensory nerve endings

Vision, hearing, taste, smell and touch

The senses that use enclosed corpuscles for their reception

A

The senses that use a complex system of modified receptors and organs

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2
Q

In the eye, the porocess of accomodation is

Adjustments in tension of the suspensory ligaments to change the lens shape

Adjustments in size of pupil to change the intensity of light allowed in to the eye

Adjustments in tension of the suspensory ligaments to change the pupil shape

Adjustments in size of pupil to change the focal length

A

Adjustments in tension of the suspensory ligaments to change the lens shape

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3
Q

Otoliths

Are made of keratin

Are important in the sense of balance

Inducde cellular differentiation

Are important in gastrulation

A

Are important in the sense of balance

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4
Q

The tympanic membrane is the partition that seperates

The middle ear from the inner ear

The inner ear from the semicircular canals

The external canal from the middle ear

The external canal from the cochlea

A

The external canal from the middle ear

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5
Q

Olfaction is the sense of

Taste
Touch
Hearing
Smell

A

Smell

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6
Q

Gustation is the sense of

Taste
Touch
Hearing
Smell

A

Taste

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7
Q

The Scala vestibule contains

CSF
Endolymph
Haemolymph
Perilymph

A

Perilymph

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8
Q

The Cochlear duct contains the

Organ of corti
Endolymph
Perilymph
A and B are correct

A

A and B are correct

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9
Q

The cranial nerve associated with hearing and balance is

I
VIII
VI
III

A

VIII

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10
Q

Sensitive hair in the ear are located on the

Tectorial membrane
Tympanic membrane
Basilar membrane
Scala membrane

A

Basilar membrane

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11
Q

The iris of the eye is made of

Connective tissue
Epithelial Tissue
Muscle
Nerve cells

A

Muscle

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12
Q

The lens changes shape when we change our focus from afar to close up. Which of the following changes occur when we turnm to look closely at a page of writing

The lens shape changes to less convex and the suspensory ligaments slacken

The lens shape changes to more convex and the suspensory ligaments slacken

The lens shape changes to less convex and the suspensory ligaments tighten

The lens shape changes to more convex and suspenssory ligaments tighten

A

The lens shape changes to more convex and the suspensory ligaments slacken

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13
Q

The choriod layer

Inside the eye, is black and prevents light scatter in the intraocular space

Inside the eye, is red with vascular tissue and is the main source of nourishment for the eye tissues

Is seen on the outside of the eye and is white

Is the nervous layer of tissue containing many light sensitive cells

A

Inside the eye, is black and prevents light scatter in the intraocular space

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14
Q

The circumcallate or vallate taste buds are represented as

Label A
Label B
Label C
Label D

A

Label D ( at back of tongue)

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15
Q

Which of these statements are correct: Read carefully

Sound waves create vibrations of the tectorial membrane which have a knock on effect on the incus, malleus and stapes respectively, this pushes the round window and causes ripples in the endolymph of the Scala tubes

Sound waves create vibrations of the tympanic membrane which have a knock on effect on the incus, malleus and stapes respectively, this pushes the oval window and causes ripples in the perilymph of the organ of Corti

Sound waves create vibrations of the tympanic membrane which have a knock on effect on the malleus, incus and stapes respectively. this pushes the oval window and causes ripples in the perilymph of the Scala vestibule and subsequently the Scala tympani

Sound waves create vibrations of the tympanic membrane which have a knock on effect on the malleus, incus and stapes respectively. this pushes the oval window and causes ripples in the endolymph of the Scala vestibule

A

Sound waves create vibrations of the tympanic membrane which have a knock on effect on the malleus, incus and stapes respectively. this pushes the oval window and causes ripples in the perilymph of the Scala vestibule and subsequently the Scala tympani

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16
Q

The Organ of Corti is composed of

Tubes containing endolymph, tectorial membrane and otoliths

The oval window, scala tubes containing perilymph, basilar membrane

Tectorial membrane, basilar membrane, hair cells, supporting cells and perilymph

Tectorial membrane, basilar membrane, hair cells, supporting cells and surrounded by endolymph

A

Tectorial membrane, basilar membrane, hair cells, supporting cells and surrounded by endolymph

17
Q

The pupil reflex involves the size change of the pupil (iris opening). Which of the following stataementsb is correct

The circular muscle contracts to dilate the pupil

The radial muscle contracts to contrict the pupil

The circular muscle contracts to constrict the pupil

The circular muscle relaxes to constrict the pupil

A

The circular muscle contracts to constrict the pupil

18
Q

The olfactory sensory nerve endings pass through the

The cribform plate in the sphenoid bone

The cribform plate in the ethmoid bone

The olfactory foramen in the palatine bone

The foramen magnum in the base of the skull

A

The cribform plate in the ethmoid bone

19
Q

The Pancian Corpuscle and Corpuscle of Ruffini are

Olfactory receptors

Types of taste bud

Mechano-recptors for light touch

Mechano-recptors for heavy pressure

A

Mechano-recptors for heavy pressure

20
Q

Vitreous humor in the eye is

An aqueous solution found in the anterior cavioty and holds the lens in place

A jelly like substance found in the posterior cabvity and holds the retina in place

A jelly like substance found in the posterior cavity and is required for the alteration of the light ray path during the process of accommodation

An aqueous solution found in the anterior cavity required for hydration and nutrition in the eye

A

A jelly like substance found in the posterior cabvity and holds the retina in place

21
Q

Ceramen is

The medical term for tears

The poils produced by the sebaceous glands

Ear wax

Another name for perilymph

A

Ear wax

22
Q

The gel cupula that surrounds sensitive hair cells is found in

The semi circular canals

The organ of Corti

The cochlea

The middle ear

A

The semi circular canals

23
Q

The retina contains

Blood vessels
Bipolar nerve cells
Fluid
Cartilage

A

Bipolar nerve cells

24
Q

The light sensitive cells that specialize in colour vision are called

Cones
Rods
Stereocilia cells
Lacrimal cells

A

Cones

25
Q

The pigment associated with rod cells, that fragment under certain light conditions is called

Haemoglobin
Myoglobin
Rhodopsin
Melanin

A

Rhodopsin

Special senses (4 decks)

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